Redefining 'Planet': Forum | KQED Public Media for Northern CA

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Redefining 'Planet'

Thu, Aug 17, 2006 -- 9:00 AM

Forum discusses a proposal by the International Astronomers Union to change the longstanding definition of the word "planet."

Host: Michael Krasny

Guests:

Andrew Fraknoi, astronomer and chair of the astronomy program at Foothill College
Ken Croswell, astronomer and author of "Ten Worlds: Everything That Orbits the Sun"
Owen Gingerich, professor emeritus of astronomy and the history of science at Harvard University, and senior astronomer emeritus at the Smithsonian Astrophysical Observatory